In a Midwestern state the proportion of the population 21 years of age or older

Question

In a Midwestern state the proportion of the population 21 years of age or older who have a high school diploma is ? = 0.9.   6 For samples of size n = 800 obtained from this population, the standard error of the sample proportion p? is, se(p?) = ______.
a 0.0245







b 0.0205







c 0.0122







d 0.0106

















7 The probability that in a sample of n = 800 the sample proportion of individuals with a higher education degree is between 0.88 and 0.92 is, P(0.88 < p? < 0.92) = _____.
a 0.9817







b 0.9625







c 0.9412







d 0.9109

















8 The proportion of p? values obtained from samples of size n = 800 that fall within In a Midwestern state the proportion of the population 21 years of age or older who have a high school diploma is ? = 0.9.   6 For samples of size n = 800 obtained from this population, the standard error of the sample proportion p? is, se(p?) = ______.
a 0.0245







b 0.0205







c 0.0122







d 0.0106

















7 The probability that in a sample of n = 800 the sample proportion of individuals with a higher education degree is between 0.88 and 0.92 is, P(0.88 < p? < 0.92) = _____.
a 0.9817







b 0.9625







c 0.9412







d 0.9109

















8 The proportion of p? values obtained from samples of size n = 800 that fall within

Explanation / Answer

6. sqrt (.9*.1/800)= 0.0106 d)

7.(.92-.90)/.0106= 1.89= 0.9412 b)

8.b).9412

9. 1.96*.0106= 0.021 c)

10. (1.96*/.03)^2*.9*.1= 384.16 round to 385 d)

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